Level, 1 wins each over 2 singles meetings since 2025. Last meeting on 16/08/2026 at Cincinnati Open - Cincinnati.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 16/08/2026 | Cincinnati Open - Cincinnati | Round 2 | hard | Kostyuk | 4-6 6-3 7-5 |
| 18/02/2025 | Dubai Duty Free Championships - Dubai | Round 2 | hard | Kenin | 5-7 7-6(7) 7-6(5) |
| hard | Kenin 1 - 1 Kostyuk |
| 2026 | Kenin 0 - 1 Kostyuk |
| 2025 | Kenin 1 - 0 Kostyuk |
101 wins, 112 losses since 2021 (47.4%).
Last matches: D V D V D
171 wins, 107 losses since 2021 (61.5%).
Last matches: V V V D V
Level, 1 wins each over 2 singles meetings since 2025.
On 16/08/2026, at Cincinnati Open - Cincinnati (Round 2): Marta Kostyuk won 4-6 6-3 7-5.